body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #8e44ad, #3498db);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 6px 12px rgba(0,0,0,0.2);
    text-align: center;
    width: 380px;
}

h1 {
    color: #4b0082;
    margin-bottom: 20px;
}

input {
    padding: 10px;
    width: 80%;
    border: 2px solid #4b0082;
    border-radius: 6px;
    margin-bottom: 15px;
    font-size: 16px;
}

button {
    padding: 10px 20px;
    background-color: #4b0082;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #6a0dad;
}

#result {
    margin-top: 20px;
    font-weight: bold;
    color: #333;
}